/* Customizações adicionais ao Tailwind CSS */

/* Classe inicial para os elementos que vão aparecer com fade-in */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Classe adicionada via JavaScript quando o elemento entra na tela */
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Sombra customizada para a barra de navegação quando sofre scroll */
.nav-scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
}

/* Hero Background and Overlay */
.hero-bg {
    background-image: url('img/francruz-computador-livro.jpeg');
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(45, 55, 72, 0.85), rgba(92, 116, 135, 0.7));
}

.img-zoom {
    transition: transform 0.5s ease;
}

.img-zoom:hover {
    transform: scale(1.05);
}

/* WhatsApp Floating Button Pulse */
@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.whatsapp-float {
    animation: pulse-whatsapp 2s infinite;
}